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from fastapi import FastAPI, Depends, Request, Path
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import RedirectResponse
from api.routes.auth_routes import router as auth_router
from api.routes.links_routes import router as links_router
from api.routes.user_routes import router as user_router
from api.routes.log_routes import router as log_router
from typing import Annotated
from apscheduler.schedulers.background import BackgroundScheduler
from contextlib import asynccontextmanager
from api.util.db_dependency import get_db
from api.util.clean_db import clean_db
from api.util.log import log
from models import Link
from config import LOG
scheduler = BackgroundScheduler()
# Handle the database cleanup scheduler
def start_scheduler():
scheduler.add_job(clean_db, "interval", days=1)
scheduler.start()
@asynccontextmanager
async def lifespan(app: FastAPI):
try:
start_scheduler()
yield
finally:
scheduler.shutdown()
app = FastAPI(
title="LinkLogger API",
version="2.0",
summary="Public API for a combined link shortener and IP logger",
license_info={
"name": "The Unlicense",
"identifier": "Unlicense",
"url": "https://unlicense.org",
},
lifespan=lifespan,
)
app.add_middleware(
CORSMiddleware,
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Import routes
app.include_router(auth_router, prefix="/api")
app.include_router(links_router, prefix="/api")
app.include_router(user_router, prefix="/api")
app.include_router(log_router, prefix="/api")
@app.get("/c/{link}")
async def log_redirect(
link: Annotated[str, Path(title="Redirect link")],
request: Request,
db=Depends(get_db),
):
link = link.upper()
# Links must be 5 characters long
if len(link) != 5:
return RedirectResponse(url="/login")
# Make sure the link exists in the database
link_record: Link = db.query(Link).filter(Link.link == link).first()
if not link_record:
db.close()
return RedirectResponse(url="/login")
else:
# Get the IP and log the request
if request.headers.get("X-Real-IP"):
ip = request.headers.get("X-Real-IP").split(",")[0]
else:
ip = request.client.host
user_agent = request.headers.get("User-Agent")
log(link, ip, user_agent)
db.close()
return RedirectResponse(url=link_record.redirect_link)
@app.get("/api/ping")
async def ping():
return {"ping": "pong"}
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